* Added some trace output for continous effects and triggered abilities. Changed duration of AffinityEffect to WhileOnStack to prevent wrong handling for removement of the effect.

Mage.Sets/src/mage/cards/l/LithoformBlight.java

@@ -1,5 +1,6 @@
 package mage.cards.l;
 
+import java.util.UUID;
 import mage.abilities.Ability;
 import mage.abilities.common.EntersBattlefieldTriggeredAbility;
 import mage.abilities.common.SimpleStaticAbility;
@@ -18,8 +19,6 @@ import mage.game.permanent.Permanent;
 import mage.target.TargetPermanent;
 import mage.target.common.TargetLandPermanent;
 
-import java.util.UUID;
-
 /**
  * @author TheElk801
  */
@@ -41,7 +40,7 @@ public final class LithoformBlight extends CardImpl {
         this.addAbility(new EntersBattlefieldTriggeredAbility(new DrawCardSourceControllerEffect(1)));
 
         // Enchanted land loses all land types and abilities and has "{T}: Add {C}" and "{T}, Pay 1 life: Add one mana of any color."
-        this.addAbility(new SimpleStaticAbility(new BecomesCreatureAttachedEffect()));
+        this.addAbility(new SimpleStaticAbility(new ChangeLandAttachedEffect()));
     }
 
     private LithoformBlight(final LithoformBlight card) {
@@ -54,21 +53,21 @@ public final class LithoformBlight extends CardImpl {
     }
 }
 
-class BecomesCreatureAttachedEffect extends ContinuousEffectImpl {
+class ChangeLandAttachedEffect extends ContinuousEffectImpl {
 
-    BecomesCreatureAttachedEffect() {
-        super(Duration.WhileOnBattlefield, Outcome.LoseAbility);
+    ChangeLandAttachedEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.AddAbility);
         staticText = "Enchanted land loses all land types and abilities " +
                 "and has \"{T}: Add {C}\" and \"{T}, Pay 1 life: Add one mana of any color.\"";
     }
 
-    private BecomesCreatureAttachedEffect(final BecomesCreatureAttachedEffect effect) {
+    private ChangeLandAttachedEffect(final ChangeLandAttachedEffect effect) {
         super(effect);
     }
 
     @Override
-    public BecomesCreatureAttachedEffect copy() {
-        return new BecomesCreatureAttachedEffect(this);
+    public ChangeLandAttachedEffect copy() {
+        return new ChangeLandAttachedEffect(this);
     }
 
     @Override

Mage.Tests/src/test/java/org/mage/test/multiplayer/ContinuousEffectsLastingAfterCreatorsDeathTest.java

@@ -0,0 +1,78 @@
+package org.mage.test.multiplayer;
+
+import mage.constants.PhaseStep;
+import mage.constants.Zone;
+import org.junit.Assert;
+import org.junit.Test;
+import org.mage.test.serverside.base.CardTestMultiPlayerBase;
+
+/**
+ *
+ * @author LevelX2
+ */
+public class ContinuousEffectsLastingAfterCreatorsDeathTest extends CardTestMultiPlayerBase {
+
+    // Player order: A -> D -> C -> B
+    @Test
+    public void testDontUntapNormal() {
+        // Trample
+        // Whenever you tap a land for mana, add one mana of any type that land produced.
+        // Whenever an opponent taps a land for mana, that land doesn't untap during its controller's next untap step.
+        addCard(Zone.BATTLEFIELD, playerA, "Vorinclex, Voice of Hunger"); // Creature {6}{G}{G} 7/6
+
+        addCard(Zone.BATTLEFIELD, playerD, "Plains", 2);
+        addCard(Zone.HAND, playerD, "Silvercoat Lion");
+
+        castSpell(2, PhaseStep.PRECOMBAT_MAIN, playerD, "Silvercoat Lion");
+
+        setStopAt(6, PhaseStep.PRECOMBAT_MAIN);
+        execute();
+
+        assertPermanentCount(playerA, "Vorinclex, Voice of Hunger", 1);
+        assertPermanentCount(playerD, "Silvercoat Lion", 1);
+
+        Assert.assertTrue("Active player is player D", currentGame.getActivePlayerId().equals(playerD.getId()));
+        assertTappedCount("Plains", true, 2);
+    }
+
+    @Test
+    public void testDontUntap() {
+        /**
+         * https://github.com/magefree/mage/issues/6997 Some continuous effects
+         * should stay in play even after the player that set them leaves the
+         * game. Example:
+         *
+         * Player A: Casts Vorinclex, Voice of Hunger Player B: Taps all lands
+         * and do stuff (lands shouldn't untap during his next untap step)
+         * Player C: Kills Player A Player B: Lands untapped normally, though
+         * they shouldn't
+         *
+         * This happened playing commander against 3 AIs. One of the AIs played
+         * Vorinclex, I tapped all my lands during my turn to do stuff. Next AI
+         * killed the one that had Vorinclex. When the game got to my turn, my
+         * lands untapped normally.
+         */
+
+        // Trample
+        // Whenever you tap a land for mana, add one mana of any type that land produced.
+        // Whenever an opponent taps a land for mana, that land doesn't untap during its controller's next untap step.
+        addCard(Zone.BATTLEFIELD, playerA, "Vorinclex, Voice of Hunger"); // Creature {6}{G}{G} 7/6
+
+        addCard(Zone.BATTLEFIELD, playerD, "Plains", 2);
+        addCard(Zone.HAND, playerD, "Silvercoat Lion");
+
+        castSpell(2, PhaseStep.PRECOMBAT_MAIN, playerD, "Silvercoat Lion");
+
+        concede(2, PhaseStep.POSTCOMBAT_MAIN, playerA);
+
+        setStopAt(5, PhaseStep.PRECOMBAT_MAIN);
+        execute();
+
+        assertPermanentCount(playerA, "Vorinclex, Voice of Hunger", 0);
+        assertPermanentCount(playerD, "Silvercoat Lion", 1);
+
+        Assert.assertTrue("Active player is player D", currentGame.getActivePlayerId().equals(playerD.getId()));
+        assertTappedCount("Plains", true, 2);
+    }
+
+}

Mage/src/main/java/mage/abilities/AbilityImpl.java

@@ -1,5 +1,9 @@
 package mage.abilities;
 
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.UUID;
 import mage.MageIdentifier;
 import mage.MageObject;
 import mage.abilities.costs.*;
@@ -32,11 +36,6 @@ import mage.util.ThreadLocalStringBuilder;
 import mage.watchers.Watcher;
 import org.apache.log4j.Logger;
 
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.UUID;
-
 /**
  * @author BetaSteward_at_googlemail.com
  */
@@ -365,7 +364,7 @@ public abstract class AbilityImpl implements Ability {
 
         //20101001 - 601.2e
         if (needCostModification && sourceObject != null) {
-            sourceObject.adjustCosts(this, game); // still needed
+            sourceObject.adjustCosts(this, game); // still needed for CostAdjuster objects (to handle some types of dynamic costs)
             game.getContinuousEffects().costModification(this, game);
         }
 

Mage/src/main/java/mage/abilities/effects/ContinuousEffects.java

@@ -1,5 +1,9 @@
 package mage.abilities.effects;
 
+import java.io.Serializable;
+import java.util.*;
+import java.util.Map.Entry;
+import java.util.stream.Collectors;
 import mage.ApprovingObject;
 import mage.MageObject;
 import mage.abilities.Ability;
@@ -17,7 +21,6 @@ import mage.filter.predicate.Predicates;
 import mage.filter.predicate.mageobject.CardIdPredicate;
 import mage.game.Game;
 import mage.game.events.GameEvent;
-import mage.game.events.GameEvent.EventType;
 import mage.game.events.ZoneChangeEvent;
 import mage.game.permanent.Permanent;
 import mage.game.permanent.PermanentCard;
@@ -26,13 +29,9 @@ import mage.players.ManaPoolItem;
 import mage.players.Player;
 import mage.target.common.TargetCardInHand;
 import mage.util.CardUtil;
+import mage.util.trace.TraceInfo;
 import org.apache.log4j.Logger;
 
-import java.io.Serializable;
-import java.util.*;
-import java.util.Map.Entry;
-import java.util.stream.Collectors;
-
 /**
  * @author BetaSteward_at_googlemail.com
  */
@@ -1391,4 +1390,85 @@ public class ContinuousEffects implements Serializable {
         }
         return controllerFound;
     }
+    
+     /**
+     * Prints out a status of the currently existing continuous effects
+     * @param game
+     */
+    public void traceContinuousEffects(Game game) {
+        game.getContinuousEffects().getLayeredEffects(game);
+        logger.info("-------------------------------------------------------------------------------------------------");
+        int numberEffects = 0;
+        for(ContinuousEffectsList list: allEffectsLists) {
+           numberEffects += list.size();
+        }        
+        logger.info("Turn: " + game.getTurnNum() + " - currently existing continuous effects: " + numberEffects);
+        logger.info("layeredEffects ...................: " + layeredEffects.size());
+        logger.info("continuousRuleModifyingEffects ...: " + continuousRuleModifyingEffects.size());
+        logger.info("replacementEffects ...............: " + replacementEffects.size());
+        logger.info("preventionEffects ................: " + preventionEffects.size());
+        logger.info("requirementEffects ...............: " + requirementEffects.size());
+        logger.info("restrictionEffects ...............: " + restrictionEffects.size());
+        logger.info("restrictionUntapNotMoreThanEffects: " + restrictionUntapNotMoreThanEffects.size());
+        logger.info("costModificationEffects ..........: " + costModificationEffects.size());
+        logger.info("spliceCardEffects ................: " + spliceCardEffects.size());
+        logger.info("asThoughEffects:");
+        for (Map.Entry<AsThoughEffectType, ContinuousEffectsList<AsThoughEffect>> entry : asThoughEffectsMap.entrySet()) {
+            logger.info("... " + entry.getKey().toString() + ": " + entry.getValue().size());
+        }        
+        logger.info("applyCounters ....................: " + (applyCounters != null ? "exists":"null"));
+        logger.info("auraReplacementEffect ............: " + (continuousRuleModifyingEffects != null ? "exists":"null"));
+        Map<String, TraceInfo> orderedEffects = new TreeMap<>();   
+        traceAddContinuousEffects(orderedEffects, layeredEffects, game, "layeredEffects................");
+        traceAddContinuousEffects(orderedEffects, continuousRuleModifyingEffects, game, "continuousRuleModifyingEffects");
+        traceAddContinuousEffects(orderedEffects, replacementEffects, game, "replacementEffects............");
+        traceAddContinuousEffects(orderedEffects, preventionEffects, game, "preventionEffects.............");
+        traceAddContinuousEffects(orderedEffects, requirementEffects, game, "requirementEffects............");
+        traceAddContinuousEffects(orderedEffects, restrictionEffects, game, "restrictionEffects............");
+        traceAddContinuousEffects(orderedEffects, restrictionUntapNotMoreThanEffects, game, "restrictionUntapNotMore...");
+        traceAddContinuousEffects(orderedEffects, costModificationEffects, game, "costModificationEffects.......");
+        traceAddContinuousEffects(orderedEffects, spliceCardEffects, game, "spliceCardEffects.............");
+        for (Map.Entry<AsThoughEffectType, ContinuousEffectsList<AsThoughEffect>> entry : asThoughEffectsMap.entrySet()) {
+            traceAddContinuousEffects(orderedEffects, entry.getValue(), game, entry.getKey().toString());
+        }        
+        String playerName = "";
+        for (Map.Entry<String, TraceInfo> entry : orderedEffects.entrySet()) {            
+            if (!entry.getValue().getPlayerName().equals(playerName)) {
+                playerName = entry.getValue().getPlayerName();
+                logger.info("--- Player: " + playerName + "  --------------------------------");
+            }                
+            logger.info(entry.getValue().getInfo() 
+                    + " " + entry.getValue().getSourceName() 
+                    + " " + entry.getValue().getDuration().name()
+                    + " " + entry.getValue().getRule()
+                    + " (Order: "+entry.getValue().getOrder() +")"
+            );
+        }  
+        logger.info("---- End trace Continuous effects --------------------------------------------------------------------------");
+    }
+    public static void traceAddContinuousEffects(Map orderedEffects, ContinuousEffectsList<?> cel, Game game, String listName) {
+        for (ContinuousEffect effect : cel) {
+            Set<Ability> abilities = cel.getAbility(effect.getId());
+            for (Ability ability : abilities) {
+                Player controller = game.getPlayer(ability.getControllerId());
+                MageObject source = game.getObject(ability.getSourceId());                
+                TraceInfo traceInfo = new TraceInfo();
+                traceInfo.setInfo(listName);
+                traceInfo.setOrder(effect.getOrder());
+                if (ability instanceof MageSingleton) {
+                    traceInfo.setPlayerName("Mage Singleton");
+                    traceInfo.setSourceName("Mage Singleton");
+                } else {
+                    traceInfo.setPlayerName(controller == null ? "no controller": controller.getName());
+                    traceInfo.setSourceName(source == null ? "no source": source.getIdName());
+                }                
+                traceInfo.setRule(ability.getRule());
+                traceInfo.setAbilityId(ability.getId());
+                traceInfo.setEffectId(effect.getId());                
+                traceInfo.setDuration(effect.getDuration());
+                orderedEffects.put(traceInfo.getPlayerName() + traceInfo.getSourceName() + effect.getId() + ability.getId(), traceInfo);
+            }
+        }  
+    }
+    
 }

Mage/src/main/java/mage/abilities/effects/common/AffinityEffect.java

@@ -10,12 +10,18 @@ import mage.filter.common.FilterControlledPermanent;
 import mage.game.Game;
 import mage.util.CardUtil;
 
+/**
+ *     702.40. Affinity
+        702.40a Affinity is a static ability that functions while the spell with affinity is on the stack. 
+                “Affinity for [text]” means “This spell costs you {1} less to cast for each [text] you control.”
+        702.40b If a spell has multiple instances of affinity, each of them applies. 
+ */
 public class AffinityEffect extends CostModificationEffectImpl {
 
     private final FilterControlledPermanent filter;
 
     public AffinityEffect(FilterControlledPermanent affinityFilter) {
-        super(Duration.Custom, Outcome.Benefit, CostModificationType.REDUCE_COST);
+        super(Duration.WhileOnStack, Outcome.Benefit, CostModificationType.REDUCE_COST);
         this.filter = affinityFilter;
         staticText = "Affinity for " + filter.getMessage();
     }

Mage/src/main/java/mage/abilities/effects/common/cost/SpellCostReductionForEachSourceEffect.java

@@ -22,7 +22,7 @@ public class SpellCostReductionForEachSourceEffect extends CostModificationEffec
     private final int reduceGenericMana;
 
     public SpellCostReductionForEachSourceEffect(int reduceGenericMana, DynamicValue eachAmount) {
-        super(Duration.WhileOnBattlefield, Outcome.Benefit, CostModificationType.REDUCE_COST);
+        super(Duration.WhileOnStack, Outcome.Benefit, CostModificationType.REDUCE_COST);
         this.eachAmount = eachAmount;
         this.reduceManaCosts = null;
         this.reduceGenericMana = reduceGenericMana;
@@ -36,7 +36,7 @@ public class SpellCostReductionForEachSourceEffect extends CostModificationEffec
     }
 
     public SpellCostReductionForEachSourceEffect(ManaCosts<ManaCost> reduceManaCosts, DynamicValue eachAmount) {
-        super(Duration.WhileOnBattlefield, Outcome.Benefit, CostModificationType.REDUCE_COST);
+        super(Duration.WhileOnStack, Outcome.Benefit, CostModificationType.REDUCE_COST);
         this.eachAmount = eachAmount;
         this.reduceManaCosts = reduceManaCosts;
         this.reduceGenericMana = 0;

Mage/src/main/java/mage/game/turn/Turn.java

@@ -1,23 +1,21 @@
 package mage.game.turn;
 
-import mage.abilities.Ability;
-import mage.constants.PhaseStep;
-import mage.constants.TurnPhase;
-import mage.counters.CounterType;
-import mage.game.Game;
-import mage.game.events.GameEvent;
-import mage.game.events.PhaseChangedEvent;
-import mage.game.permanent.Permanent;
-import mage.game.stack.Spell;
-import mage.game.stack.StackObject;
-import mage.players.Player;
-import mage.util.ThreadLocalStringBuilder;
-
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.UUID;
+import mage.abilities.Ability;
+import mage.constants.PhaseStep;
+import mage.constants.TurnPhase;
+import mage.counters.CounterType;
+import mage.game.Game;
+import mage.game.events.PhaseChangedEvent;
+import mage.game.permanent.Permanent;
+import mage.game.stack.Spell;
+import mage.game.stack.StackObject;
+import mage.players.Player;
+import mage.util.ThreadLocalStringBuilder;
 
 /**
  * @author BetaSteward_at_googlemail.com
@@ -98,6 +96,9 @@ public class Turn implements Serializable {
      * @return true if turn is skipped
      */
     public boolean play(Game game, Player activePlayer) {    
+        // uncomment this to trace triggered abilities and/or continous effects 
+        // TraceUtil.traceTriggeredAbilities(game);
+        // game.getState().getContinuousEffects().traceContinuousEffects(game);
         activePlayer.becomesActivePlayer();
         this.setDeclareAttackersStepStarted(false);
         if (game.isPaused() || game.checkIfGameIsOver()) {

Mage/src/main/java/mage/util/CardUtil.java

@@ -1,6 +1,12 @@
 package mage.util;
 
 import com.google.common.collect.ImmutableList;
+import java.io.UnsupportedEncodingException;
+import java.net.URLDecoder;
+import java.net.URLEncoder;
+import java.text.SimpleDateFormat;
+import java.util.*;
+import java.util.stream.Collectors;
 import mage.MageObject;
 import mage.Mana;
 import mage.abilities.Abilities;
@@ -36,13 +42,6 @@ import mage.target.targetpointer.FixedTarget;
 import mage.util.functions.CopyTokenFunction;
 import org.apache.log4j.Logger;
 
-import java.io.UnsupportedEncodingException;
-import java.net.URLDecoder;
-import java.net.URLEncoder;
-import java.text.SimpleDateFormat;
-import java.util.*;
-import java.util.stream.Collectors;
-
 /**
  * @author nantuko
  */
@@ -818,7 +817,7 @@ public final class CardUtil {
     }
 
     public static boolean isFusedPartAbility(Ability ability, Game game) {
-        // TODO: is works fine with copies of spells on stack?
+        // TODO: does it work fine with copies of spells on stack?
         if (ability instanceof SpellAbility) {
             Spell mainSpell = game.getSpell(ability.getId());
             if (mainSpell == null) {

Mage/src/main/java/mage/util/trace/TraceInfo.java

@@ -0,0 +1,85 @@
+package mage.util.trace;
+
+import java.util.UUID;
+import mage.constants.Duration;
+
+/**
+ *
+ * @author LevelX2
+ */
+public class TraceInfo {
+    public String info;
+    public String playerName;
+    public String sourceName;
+    public String rule;
+    public UUID abilityId;
+    public UUID effectId;
+    public Duration duration;
+    public long order;
+
+    public String getPlayerName() {
+        return playerName;
+    }
+
+    public void setPlayerName(String playerName) {
+        this.playerName = playerName;
+    }
+
+    public String getSourceName() {
+        return sourceName;
+    }
+
+    public void setSourceName(String sourceName) {
+        this.sourceName = sourceName;
+    }
+
+    public String getRule() {
+        return rule;
+    }
+
+    public void setRule(String rule) {
+        this.rule = rule;
+    }
+
+    public UUID getAbilityId() {
+        return abilityId;
+    }
+
+    public void setAbilityId(UUID abilityId) {
+        this.abilityId = abilityId;
+    }
+
+    public UUID getEffectId() {
+        return effectId;
+    }
+
+    public void setEffectId(UUID effectId) {
+        this.effectId = effectId;
+    }
+
+    public String getInfo() {
+        return info;
+    }
+
+    public void setInfo(String info) {
+        this.info = info;
+    }
+
+    public Duration getDuration() {
+        return duration;
+    }
+
+    public void setDuration(Duration duration) {
+        this.duration = duration;
+    }
+
+    public long getOrder() {
+        return order;
+    }
+
+    public void setOrder(long order) {
+        this.order = order;
+    }
+    
+    
+}

Mage/src/main/java/mage/util/trace/TraceUtil.java

@@ -1,8 +1,10 @@
 package mage.util.trace;
 
+import java.util.*;
 import mage.MageObject;
 import mage.abilities.Ability;
 import mage.abilities.StaticAbility;
+import mage.abilities.TriggeredAbility;
 import mage.abilities.effects.ContinuousEffectsList;
 import mage.abilities.effects.RestrictionEffect;
 import mage.abilities.keyword.CantBeBlockedSourceAbility;
@@ -14,10 +16,9 @@ import mage.game.Game;
 import mage.game.combat.Combat;
 import mage.game.combat.CombatGroup;
 import mage.game.permanent.Permanent;
+import mage.players.Player;
 import org.apache.log4j.Logger;
 
-import java.util.*;
-
 /**
  * @author magenoxx_at_gmail.com
  */
@@ -210,4 +211,31 @@ public final class TraceUtil {
     public static void trace(String msg) {
         log.info(msg);
     }
+    
+    /**
+     * Prints out a status of the currently existing triggered abilities
+     * @param game
+     */
+    public static void traceTriggeredAbilities(Game game) {
+        log.info("-------------------------------------------------------------------------------------------------");
+        log.info("Turn: " + game.getTurnNum() + " - currently existing triggered abilities: " + game.getState().getTriggers().size());
+        Map<String, String> orderedAbilities = new TreeMap<>();        
+        for (Map.Entry<String, TriggeredAbility> entry : game.getState().getTriggers().entrySet()) {
+            Player controller = game.getPlayer(entry.getValue().getControllerId());
+            MageObject source = game.getObject(entry.getValue().getSourceId());
+            orderedAbilities.put((controller == null ? "no controller": controller.getName()) + (source == null ? "no source": source.getIdName())+ entry.getKey(), entry.getKey());
+        }
+        String playerName = "";
+        for (Map.Entry<String, String> entry : orderedAbilities.entrySet()) {            
+            TriggeredAbility trAbility = game.getState().getTriggers().get(entry.getValue());
+            Player controller = game.getPlayer(trAbility.getControllerId());
+            MageObject source = game.getObject(trAbility.getSourceId());
+            if (!controller.getName().equals(playerName)) {
+                playerName = controller.getName();
+                log.info("--- Player: " + playerName + "  --------------------------------");
+            }                
+            log.info((source == null ? "no source": source.getIdName()) + " -> "
+                    + trAbility.getRule());
+        }        
+    }    
 }